InterFAX

Name: InterFAX
Author: InterFAX

Free trial AndroidAPIiPhoneWebWindows

What InterFAX is

InterFAX is a hosted online fax service for sending and receiving faxes through connected applications without installing software. Users can send and receive faxes by email, through its web interface, from mobile devices, or with scanning devices. The service supports inbound and international faxing, and offers virtual fax numbers. Developers can connect faxing to applications using REST and SOAP APIs; listed integrations include Epic, Salesforce, OncoEMR, and email providers. Its tools include customizable headers and cover pages, user permissions, delivery confirmations, automatic retries, document extraction and indexing, OCR, file conversion and compression, and customizable workflows. Bulk fax broadcasting supports up to 20,000 recipients. InterFAX describes TLS encryption, signature authentication, and an option to delete faxes after completion. It also describes support for HIPAA, PHIPA, and PCI DSS, and ISO 27001 accreditation. Automated activity reports and an audit trail cover sent and received faxes. The company offers round-the-clock customer support and local-language phone support in 58 countries. Pricing is available on request, with a 30-day trial and no free plan. Prepaid faxing has no monthly minimums or fees; fax reception is subscription-based and includes a monthly page allowance.

Who it suits

InterFAX suits organizations that need to send or receive faxes through email, a web interface, connected devices, or integrated applications. Developers can use its REST and SOAP APIs, while teams with fax reception needs can choose a monthly subscription with a page allowance.

What it does well

Sends and receives inbound and international faxes.
REST and SOAP APIs support application integration.
Bulk broadcasts support up to 20,000 recipients.
Includes OCR, extraction, indexing, and document workflows.
Lists automated activity reporting and a full audit trail.
Offers a 30-day trial and 24/7/365 support.

What to know first

There is no free plan.
Pricing is available on request.
Fax reception requires a subscription.

Limits

There is no free plan. Prepaid faxing has no monthly minimums or fees; monthly reception includes a page allowance.

Plans

Plan	Billed and limits	Price
Prepaid pricing package	Prepaid; no monthly commitment. · send faxes without monthly minimums or fees	On request
Monthly subscription	Monthly subscription; choose a rate and adjust or cancel anytime. · fax reception is subscription-based and includes a monthly page allowance	On request

As uplandsoftware.com lists them, read 12 Oct 2026. The maker's own page has the final word.

Getting started

Visit the InterFAX website.
Choose the 30-day trial or ask about pricing.
Use email, the web interface, mobile devices, or scanning devices to fax.
Use the REST or SOAP API to integrate faxing into an application.
Choose prepaid faxing or a monthly subscription for reception.

Verdict

Choose InterFAX if you need hosted faxing across email, web, devices, or applications, with international sending and developer APIs. Its trial and prepaid option provide ways to start, but ongoing fax reception requires a subscription and pricing is provided on request.

Questions

How much does InterFAX cost?

Pricing is available on request. Prepaid faxing has no monthly minimums or fees, while the monthly subscription includes a page allowance for reception.

Is there a free plan or trial?

There is no free plan, but InterFAX offers a 30-day trial. Its developer program also offers free faxing to one designated number for integration testing.

Which platforms does InterFAX support?

Listed platforms are Android, API, iOS, web, and Windows. The service also supports faxing through email and scanning devices.

Can InterFAX send international faxes?

Yes. InterFAX supports international faxing and inbound faxing.

What integrations are listed?

The product page lists Epic, Salesforce, OncoEMR, and email providers.

What compliance and security capabilities does it describe?

InterFAX describes HIPAA, PHIPA, and PCI DSS compliance, ISO 27001 accreditation, TLS encryption, signature authentication, and a delete-after-completion feature.

Facts from InterFAX's own pages

API: The developer API supports REST and SOAP for integrating cloud fax into applications. · uplandsoftware.com, 12 Oct 2026
Audit: The overview datasheet lists automated activity reporting and a full audit trail of sent and received faxes. · uplandsoftware.com, 12 Oct 2026
Compliance: The product page describes InterFAX as HIPAA-, PHIPA-, and PCI DSS-compliant and ISO 27001-accredited. · uplandsoftware.com, 12 Oct 2026
Compliance support: hipaa · uplandsoftware.com, 23 Sept 2026
Developer testing: The developer program offers free faxing to one designated number for testing integrations. · uplandsoftware.com, 12 Oct 2026
Document capture: The overview datasheet lists automated data extraction and indexing, OCR, conversion, compression, and customizable document workflows. · uplandsoftware.com, 12 Oct 2026
Fax volume: The overview datasheet says bulk fax broadcasting supports up to 20,000 recipients. · uplandsoftware.com, 12 Oct 2026
Founded: 1996 · uplandsoftware.com, 28 Sept 2026
Free plan: No · uplandsoftware.com, 23 Sept 2026
Free trial: The official site advertises 30 days of free credits for a free trial. · uplandsoftware.com, 12 Oct 2026
Headquarters: Austin, Texas, United States · uplandsoftware.com, 28 Sept 2026
Inbound faxing: Yes · uplandsoftware.com, 23 Sept 2026
Integrations: The product page lists integrations with Epic, Salesforce, and OncoEMR, and also names email providers. · uplandsoftware.com, 12 Oct 2026
Interface features: InterFAX lists customizable fax headers and cover pages, granular user permissions, delivery confirmation policies, and automatic retry settings. · uplandsoftware.com, 12 Oct 2026
International faxing: Yes · uplandsoftware.com, 23 Sept 2026
Mobile apps: No · uplandsoftware.com, 23 Sept 2026
Pricing model: The datasheet says fax transmission is usage-based and charges apply only to successfully sent faxes, while fax reception is subscription-based with included monthly pages. · uplandsoftware.com, 12 Oct 2026
Product: InterFAX is a hosted online fax service for sending and receiving faxes from web connected applications without installation. · uplandsoftware.com, 12 Oct 2026
Security: InterFAX describes TLS encryption for inbound and outbound faxes, private and public key signature authentication, and a delete fax after completion feature. · uplandsoftware.com, 12 Oct 2026
Support: InterFAX states it offers 24/7/365 customer support and local language support experts by phone in 58 countries. · uplandsoftware.com, 12 Oct 2026
Ways to fax: Users can send and receive faxes through email, the native web interface, mobile devices, and scanning devices. · uplandsoftware.com, 12 Oct 2026